Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 64750810603b812926673064d4cd0b0210ac699bd1d0191421f107582bfde68b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^